<style>
    .editTable .label {
        min-width: 80px;
        width: 80px;
    }
</style>
<table class="editTable">
    <tr>
        <td class="label">姓</td>
        <td><input type="text" id="firstname" name="firstname" value=""></td>
    </tr>
    <tr>
        <td class="label">名</td>
        <td><input type="text" id="lastname" name="lastname" value=""></td>
    </tr>
</table>



<script type="text/javascript">
    $(function () {
        $('#firstname').iTextbox({
            width: 200,
            required: true,
            validType: "length[1,20]"
        });
        $('#lastname').iTextbox({
            width: 200,
            required: true,
            validType: "length[1,20]"
        });
    });
</script>